850159PSI165

View detailed technical data, stock status, and sourcing information for: 850159PSI165
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-346-1870

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

inside spring bonnet type, plain (pipe) all ends connection style, poppet flow control device, right-hand all ends thread direction, threaded bonnet attachment method

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Direction: right-hand all ends
Flow Control Device: poppet
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Connection Style: plain (pipe) all ends
Valve Operation Method: automatic or manual
Connection Type: threaded external pipe all ends
Maximum Operating Pressure: 180.0 pounds per square inch 1st response
Nominal Thread Size: 0.250 inches all ends
Opening Pressure Setting: 165.0 pounds per square inch
Material: copper alloy overall
Media For Which Designed: fuel/oil, hydrocarbon 1st response
Style Designator: angle
Thread Series Designator: npt all ends

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
850159PSI165	Safety Relief Valve

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4820-00-346-1870?

The FSCG of the NSN 4820-00-346-1870 is 4820

Does the NSN 4820-00-346-1870 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-346-1870 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4820-00-346-1870 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-346-1870 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4820-00-346-1870 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963